6455340 has 36 divisors (see below), whose sum is σ = 19581744. Its totient is φ = 1721376.

The previous prime is 6455329. The next prime is 6455357. The reversal of 6455340 is 435546.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17752 + ... + 18111.

Almost surely, 2^6455340 is an apocalyptic number.

6455340 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6455340 is an abundant number, since it is smaller than the sum of its proper divisors (13126404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6455340 is a wasteful number, since it uses less digits than its factorization.

6455340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35878 (or 35873 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 6455340 is about 2540.7361138064. The cubic root of 6455340 is about 186.1971548047.

The spelling of 6455340 in words is "six million, four hundred fifty-five thousand, three hundred forty".